#include <string.h>
#include <glib.h>
#include <libusb.h>
+#include <arpa/inet.h>
extern libusb_context *usb_context;
extern GSList *dev_insts;
static int get_channel_offsets(struct context *ctx)
{
- int ret;
+ GString *gs;
+ int chan, v, ret;
sr_dbg("hantek-dso: getting channel offsets");
return SR_ERR;
}
+ /* Comes in as 16-bit numbers with the second byte always 0 on
+ * the DSO-2090. Guessing this is supposed to be big-endian,
+ * since that's how voltage offsets are submitted back to the DSO.
+ * Convert to host order now, so we can use them natively.
+ */
+ for (chan = 0; chan < 2; chan++) {
+ for (v = 0; v < 9; v++) {
+ ctx->channel_levels[chan][v][0] = ntohs(ctx->channel_levels[chan][v][0]);
+ ctx->channel_levels[chan][v][1] = ntohs(ctx->channel_levels[chan][v][1]);
+ }
+ }
+
+ if (sr_log_loglevel_get() >= SR_LOG_DBG) {
+ gs = g_string_sized_new(128);
+ for (chan = 0; chan < 2; chan++) {
+ g_string_printf(gs, "hantek-dso: CH%d:", chan + 1);
+ for (v = 0; v < 9; v++) {
+ g_string_append_printf(gs, " %.4x-%.4x",
+ ctx->channel_levels[chan][v][0],
+ ctx->channel_levels[chan][v][1]);
+ }
+ sr_dbg(gs->str);
+ }
+ g_string_free(gs, TRUE);
+ }
+
return SR_OK;
}
int ret, tmp;
uint8_t cmdstring[8];
- sr_dbg("hantek-dso: sending CMD_SET_FILTERS");
+ sr_dbg("hantek-dso: preparing CMD_SET_FILTERS");
memset(cmdstring, 0, sizeof(cmdstring));
cmdstring[0] = CMD_SET_FILTERS;
cmdstring[1] = 0x0f;
- if (ctx->filter_ch1)
+ if (ctx->filter_ch1) {
+ sr_dbg("hantek-dso: turning on CH1 filter");
cmdstring[2] |= 0x80;
- if (ctx->filter_ch2)
+ }
+ if (ctx->filter_ch2) {
+ sr_dbg("hantek-dso: turning on CH2 filter");
cmdstring[2] |= 0x40;
- if (ctx->filter_trigger)
+ }
+ if (ctx->filter_trigger) {
+ /* TODO: supported on the DSO-2090? */
+ sr_dbg("hantek-dso: turning on trigger filter");
cmdstring[2] |= 0x20;
+ }
if (send_begin(ctx) != SR_OK)
return SR_ERR;
sr_err("Failed to set filters: %d", ret);
return SR_ERR;
}
+ sr_dbg("hantek-dso: sent CMD_SET_FILTERS");
return SR_OK;
}
int ret, tmp;
uint8_t cmdstring[8];
- sr_dbg("hantek-dso: sending CMD_SET_VOLTAGE");
+ sr_dbg("hantek-dso: preparing CMD_SET_VOLTAGE");
memset(cmdstring, 0, sizeof(cmdstring));
cmdstring[0] = CMD_SET_VOLTAGE;
cmdstring[1] = 0x0f;
- cmdstring[2] = 0x03;
- cmdstring[2] |= ((2 - ctx->voltage_ch1 % 3) << 6);
- cmdstring[2] |= ((2 - ctx->voltage_ch2 % 3) << 4);
-cmdstring[2] = 0x30;
+ cmdstring[2] = 0x30;
+
+ /* CH1 volts/div is encoded in bits 0-1 */
+ sr_dbg("hantek-dso: CH1 vdiv index %d", ctx->voltage_ch1);
+ switch (ctx->voltage_ch1) {
+ case VDIV_1V:
+ case VDIV_100MV:
+ case VDIV_10MV:
+ cmdstring[2] |= 0x00;
+ break;
+ case VDIV_2V:
+ case VDIV_200MV:
+ case VDIV_20MV:
+ cmdstring[2] |= 0x01;
+ break;
+ case VDIV_5V:
+ case VDIV_500MV:
+ case VDIV_50MV:
+ cmdstring[2] |= 0x02;
+ break;
+ }
+
+ /* CH2 volts/div is encoded in bits 2-3 */
+ sr_dbg("hantek-dso: CH2 vdiv index %d", ctx->voltage_ch2);
+ switch (ctx->voltage_ch2) {
+ case VDIV_1V:
+ case VDIV_100MV:
+ case VDIV_10MV:
+ cmdstring[2] |= 0x00;
+ break;
+ case VDIV_2V:
+ case VDIV_200MV:
+ case VDIV_20MV:
+ cmdstring[2] |= 0x04;
+ break;
+ case VDIV_5V:
+ case VDIV_500MV:
+ case VDIV_50MV:
+ cmdstring[2] |= 0x08;
+ break;
+ }
if (send_begin(ctx) != SR_OK)
return SR_ERR;
sr_err("Failed to set voltage: %d", ret);
return SR_ERR;
}
+ sr_dbg("hantek-dso: sent CMD_SET_VOLTAGE");
return SR_OK;
}
uint8_t relays[] = { 0x00, 0x04, 0x08, 0x02, 0x20, 0x40, 0x10, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
- sr_dbg("hantek-dso: sending CTRL_SETRELAYS");
+ sr_dbg("hantek-dso: preparing CTRL_SETRELAYS");
cv1 = ctx->voltage_ch1 / 3;
cv2 = ctx->voltage_ch2 / 3;
-relays[0] = 0x01;
+
if (cv1 > 0)
relays[1] = ~relays[1];
if (cv1 > 1)
relays[2] = ~relays[2];
+ sr_dbg("hantek-dso: CH1 coupling %d", ctx->coupling_ch1);
if (ctx->coupling_ch1 != COUPLING_AC)
relays[3] = ~relays[3];
if (cv2 > 1)
relays[5] = ~relays[5];
+ sr_dbg("hantek-dso: CH2 coupling %d", ctx->coupling_ch1);
if (ctx->coupling_ch2 != COUPLING_AC)
relays[6] = ~relays[6];
sr_err("failed to set relays: %d", ret);
return SR_ERR;
}
+ sr_dbg("hantek-dso: sent CTRL_SETRELAYS");
return SR_OK;
}
{
int offset, ret;
uint16_t *ch_levels;
-// uint8_t offsets[17];
-uint8_t offsets[] = {0x20,0x75,0x30,0x3f,0x20,0xbd,0x3f,0x02,0x20,0x00,0x71,0x01,0x2e,0x0b,0x3f,0x02,0x50};
-//uint8_t offsets[] = {0xff, 0x75, 0x30, 0x3f, 0x20, 0xbd,
-// 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-//};
-
- sr_dbg("hantek-dso: sending CTRL_SETOFFSET");
-
-// memset(offsets, 0, sizeof(offsets));
-// /* Channel 1 */
-// ch_levels = ctx->channel_levels[0][VOLTAGE_10mV - ctx->voltage_ch1];
-// offset = (ch_levels[1] - ch_levels[0]) * ctx->voffset_ch1 + ch_levels[0];
-// offsets[0] = (offset >> 8) | 0x20;
-// offsets[1] = offset & 0xff;
-//
-// /* Channel 2 */
-// ch_levels = ctx->channel_levels[1][VOLTAGE_10mV - ctx->voltage_ch2];
-// offset = (ch_levels[1] - ch_levels[0]) * ctx->voffset_ch2 + ch_levels[0];
-// offsets[2] = (offset >> 8) | 0x20;
-// offsets[3] = offset & 0xff;
-//
-// /* Trigger */
-// offset = MAX_VERT_TRIGGER * ctx->voffset_trigger;
-// offsets[4] = (offset >> 8) | 0x20;
-// offsets[5] = offset & 0xff;
+ uint8_t offsets[17];
+
+ sr_dbg("hantek-dso: preparing CTRL_SETOFFSET");
+
+ memset(offsets, 0, sizeof(offsets));
+ /* Channel 1 */
+ ch_levels = ctx->channel_levels[0][ctx->voltage_ch1];
+ offset = (ch_levels[1] - ch_levels[0]) * ctx->voffset_ch1 + ch_levels[0];
+ offsets[0] = (offset >> 8) | 0x20;
+ offsets[1] = offset & 0xff;
+ sr_dbg("hantek-dso: CH1 offset %3.2f (%.2x%.2x)", ctx->voffset_ch1,
+ offsets[0], offsets[1]);
+
+ /* Channel 2 */
+ ch_levels = ctx->channel_levels[1][ctx->voltage_ch2];
+ offset = (ch_levels[1] - ch_levels[0]) * ctx->voffset_ch2 + ch_levels[0];
+ offsets[2] = (offset >> 8) | 0x20;
+ offsets[3] = offset & 0xff;
+ sr_dbg("hantek-dso: CH2 offset %3.2f (%.2x%.2x)", ctx->voffset_ch2,
+ offsets[2], offsets[3]);
+
+ /* Trigger */
+ offset = MAX_VERT_TRIGGER * ctx->voffset_trigger;
+ offsets[4] = (offset >> 8) | 0x20;
+ offsets[5] = offset & 0xff;
+ sr_dbg("hantek-dso: trigger offset %3.2f (%.2x%.2x)", ctx->voffset_trigger,
+ offsets[4], offsets[5]);
if ((ret = libusb_control_transfer(ctx->usb->devhdl,
LIBUSB_REQUEST_TYPE_VENDOR, CTRL_SETOFFSET,
sr_err("failed to set offsets: %d", ret);
return SR_ERR;
}
+ sr_dbg("hantek-dso: sent CTRL_SETOFFSET");
return SR_OK;
}
if (dso_enable_trigger(ctx) != SR_OK)
return SR_ERR;
- if (dso_force_trigger(ctx) != SR_OK)
- return SR_ERR;
-
return SR_OK;
}
projects / libsigrok.git / blobdiff